Volume estimation from uncalibrated views applied to wound measurement

  • Authors:
  • B. Albouy;S. Treuillet;Y. Lucas;J. C. Pichaud

  • Affiliations:
  • Laboratoire Vision & Robotique, Université d'Orléans, ENSI, Bourges, France;Polytech'Orléans, Orléans, France;Laboratoire Vision & Robotique, Université d'Orléans, ENSI, Bourges, France;Hôpital La Tour Blanche, Issoudun, France

  • Venue:
  • ICIAP'05 Proceedings of the 13th international conference on Image Analysis and Processing
  • Year:
  • 2005

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Abstract

The aim of the ESCALE project is to supply the medical staff with objective and accurate 2D and 3D measurements for wound healing assessment from color images acquired in a free manner with a low cost digital camera. The problem addressed in this paper is the volume estimation from uncalibrated views. We present two experimentations. A Monte Carlo simulation on synthetic perturbated data leads to an average error of 3% on reconstructed points. Then, triangulation based volume estimation obtained from two uncalibrated real images gives us hope that an accuracy less than 5% is achievable. So this technique is suited to accurate wound 3D measurements. Combined with true color image processing for colorimetric tissue assessment, a such low cost system will be appropriate tool for diagnosis assistance and therapy monitoring in clinical environment.